Duraflex Heavy Duty Dog Door - Extra Large Sound Barrier and Yard Barrier Accessories It is also the only

It is also the only Pet Containment transmitter that gives you the option of installing an AUTOMATICALLY RECHARGING back-up battery

Once power is restored the "Smart Power Switch" switches back to ac power and the back-up battery automatically recharges

Typical installations will operate for a full day in Battery Back-up mode

No need to buy a whole new Power Pet unit

Duraflex Heavy Duty Dog Door - Extra Large Sound Barrier and Yard Barrier Accessories It is also the onlyDuraflex: Built to Last of Lifetime! Premium Quality, Competitive Price. Duraflex pet doors give you both! New Duraflex, Heavy Duty Aluminum Pet Doors represent a significant improvement in modern pet door design with a flap that remains air tight in winds up to 50 mph while being easy for your pet to push open. Ultra durable Duraflex doors add a stylish, contemporary look to compliment any home dcor. Our patented new flap design uses a unique high